(2)
Make sure that the applicable No. 3 spoiler is extended (Ref. TASK 27-60-00-866-002) and that the COLLAR-SAFETY, SPOILER (98D27604000000) is on the applicable spoiler servo-control.
(3)
Make sure that the applicable fuel tank is defueled (Ref. TASK 28-25-00-650-001).
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(4)
Make sure that the remaining fuel has been drained from the applicable fuel tank (Ref. TASK 28-25-00-650-003).
(5)
Make sure that the access platform is below the applicable zone 540(640).
(6)
Make sure that the applicable access panels are removed (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-000-002):
-
FOR 71QM
remove 540JB and 540KB
-
FOR 73QM
remove 640JB and 640KB.
4. Procedure
_________
(Ref. Fig. 401/TASK 28-15-42-991-001)
Subtask 28-15-42-420-055
A. Preparation for Installation
WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
(1)
Clean the component interfaces and/or the adjacent areas with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).
(2)
Make sure that the parts retained from the removed component are clean and in the correct condition.
(3)
Do an inspection of the component interface and/or the adjacent area.
(4)
Apply a thin layer of COMMON GREASE (Material No. 04-023) to the O-rings (2).
(5)
Apply COMMON GREASE (Material No. 04-023) to the O-rings (10).
(6)
Apply FUELS (Material No. 01-001) to the O-ring (9).
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(7) Apply a thin layer of COMMON GREASE (Material No. 04-023) to the internal bearing surface of the actuator mounting (3).
Subtask 28-15-42-420-052
B. Installation of the Transfer Valve Drive 71QM(73QM)
(1)
Install the new O-ring seals (9) and (10), on the transfer valve drive (12).
(2)
Install the new O-ring seals (2), on the actuator mounting (3).
(3)
Put the transfer valve drive (12) in position and install the bolts (11).
(4)
Install the bonding strap (6), the screw (7) and the nut (4) on the actuator mounting (3) (Ref. TASK 20-28-00-912-002).
(5)
Put the actuator mounting (3) in position and install the nuts (5). NOTE : The actuator mounting (3) will only fit in one position.
____
(6)
Install the transfer valve actuator (8) (Ref. TASK 28-15-51-400-002).
(7) Install the transfer valve (1) (Ref. TASK 28-15-41-400-001). Subtask 28-15-42-410-051
C. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the applicable wing access panels (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-27-11-400-002):
-
FOR 71QM
install 540JB, 540KB
-
FOR 73QM
install 640JB, 640KB.
Subtask 28-15-42-865-055
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1QP, 2QP, 3QP, 4QP.
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E. Operational Test
(1) Do a BITE of the intercell transfer valves (Ref. TASK 28-15-00-740-002).
5. Close-up
________ Subtask 28-15-42-860-053
A. Aircraft Configuration WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS ARE
_______ CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE.
(1)
Fully retract the applicable No. 3 spoiler (Ref. TASK 27-60-00-866-002).
(2)
On the spoiler servo-control, make sure that the pointer on the hex. head is opposite the letter 'O' on the housing.
(3) Fully retract the flaps (Ref. TASK 27-50-00-866-009). Subtask 28-15-42-650-053
B. Fuel Configuration
(1) Refuel, defuel or transfer fuel as necessary (Ref. TASK 12-11-28-650-003), (Ref. TASK 28-25-00-650-001) or (Ref. TASK 28-25-00-869-001).
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